@Delbert 试试设个 IPv6 的 DNS

因为两者都是 IPv6 网站， V2EX 的 DNS 只是 IPv4 的，请检查下自己的网络是否支持 IPv6

@fuxkcsdn 查看无线的协议是不是gn或者bgn，并试试更改无线的HT模式为40Hz

@fuxkcsdn 另外按照 https://forum.openwrt.org/viewtopic.php?id=42533 里的说法，
Target System 直接选 BCM947XX ，Target Profile 默认，编译出来就能看到 bcm47xx 的固件

@fuxkcsdn 的确按照普通方式编译时没法选BCM47xx，但可参考官方说明来编译 http://wiki.openwrt.org/doc/hardware/soc/soc.broadcom.bcm47xx

官方支持列表里有很多 BCM4718 的路由器，编译时肯定是可以选的…
http://wiki.openwrt.org/toh/start

@Livid 上次说可以有的 OpenWrt 节点，建一个吧～

感谢 @fuxkcsdn @SharkIng @goxofy 提供的经验或建议，准备先试试测试下速度，不行再作其他考虑…

@ericFork 嗯，还是要测试一下才知道直连的网络质量够不够用

@tarsier 感谢~
OpenWrt 端架 VPN / shadowsocks 对我来说没问题。
以前一直不知道DDNS是干嘛的，刚去维基了解了，这样的话似乎就没有太多问题了…

@tarsier 上传限速了吧，之前在家里给别人传过东西，几百K/s肯定是有的，应该够用了

@Livid 宿舍也不行了
traceroute to 65.25.43.91 (65.25.43.91), 64 hops max, 52 byte packets
1 192.168.1.1 (192.168.1.1) 0.984 ms 0.802 ms 0.642 ms
2 218.197.250.254 (218.197.250.254) 1.945 ms 1.787 ms 1.746 ms
3 115.156.255.153 (115.156.255.153) 1.046 ms 2.251 ms 1.586 ms
4 115.156.255.169 (115.156.255.169) 1.506 ms 7.900 ms 1.631 ms
5 192.168.255.46 (192.168.255.46) 2.031 ms 1.426 ms 1.256 ms
6 * * *
7 gz0.cernet.net (202.112.53.77) 4.463 ms 2.566 ms 1.870 ms
8 202.112.36.113 (202.112.36.113) 20.571 ms 21.214 ms 20.413 ms
9 202.112.61.158 (202.112.61.158) 21.679 ms 21.415 ms 20.196 ms
10 202.112.61.122 (202.112.61.122) 22.277 ms 20.098 ms 19.824 ms
11 * 61.8.59.45 (61.8.59.45) 544.238 ms 410.232 ms
12 gi3-0-0.cr3.hkg3.asianetcom.net (203.192.134.65) 409.680 ms 315.170 ms 299.471 ms
13 te0-0-2-0.wr1.hkg0.asianetcom.net (61.14.157.101) 409.388 ms 409.049 ms 408.566 ms
14 te0-1-0-0.wr1.osa0.asianetcom.net (61.14.157.58) 411.204 ms 288.085 ms *
15 * gi6-0-0.gw1.sjc1.asianetcom.net (61.14.157.98) 444.312 ms 410.243 ms
16 ge-11-3-4.pr0.sjc10.tbone.rr.com (66.109.10.209) 794.271 ms 789.668 ms 789.799 ms
17 ae-2-0.cr0.sjc30.tbone.rr.com (66.109.6.136) 968.816 ms 1017.013 ms 900.591 ms
18 ae-2-0.cr0.chi10.tbone.rr.com (66.109.6.15) 1148.776 ms 863.307 ms 980.463 ms
19 * ae-0-0.cr0.chi30.tbone.rr.com (66.109.6.21) 861.770 ms 1004.817 ms
20 ae14.tr00.clmkohpe.mwrtn.rr.com (107.14.19.17) 860.930 ms 950.631 ms 894.966 ms
21 network-065-029-001-029.midwest.rr.com (65.29.1.29) 1010.950 ms 880.449 ms 1024.362 ms
22 network-065-025-148-034.neo.rr.com (65.25.148.34) 1024.646 ms 912.388 ms 918.700 ms
23 * * *
24 * * *

————————————————————分割线——————————————————————

traceroute to 199.91.73.222 (199.91.73.222), 64 hops max, 52 byte packets
1 192.168.1.1 (192.168.1.1) 3.428 ms 0.702 ms 0.641 ms
2 218.197.250.254 (218.197.250.254) 2.635 ms 2.095 ms 1.935 ms
3 115.156.255.153 (115.156.255.153) 2.853 ms 0.972 ms 1.017 ms
4 zxq-xs-rjs8606.hust.edu.cn (115.156.255.142) 1.821 ms 1.472 ms 1.839 ms
5 192.168.255.46 (192.168.255.46) 1.341 ms 2.278 ms 1.663 ms
6 * * *
7 202.112.53.109 (202.112.53.109) 4.134 ms 1.831 ms 2.030 ms
8 202.112.36.113 (202.112.36.113) 19.954 ms 19.625 ms *
9 202.112.61.158 (202.112.61.158) 20.618 ms 19.478 ms 21.639 ms
10 202.112.61.106 (202.112.61.106) 19.957 ms 23.514 ms *
11 61.8.59.45 (61.8.59.45) 144.995 ms 146.640 ms 147.000 ms
12 gi3-0-0.cr3.hkg3.asianetcom.net (203.192.134.65) 150.442 ms 143.692 ms 148.101 ms
13 * te0-2-2-0.wr2.hkg0.asianetcom.net (61.14.157.137) 154.972 ms 148.622 ms
14 * te0-2-0-0.wr2.osa0.asianetcom.net (61.14.157.78) 181.047 ms *
15 te0-0-0-0.wr2.nrt0.asianetcom.net (61.14.157.1) 209.345 ms 295.430 ms 614.430 ms
16 gi14-0-0.gw3.lax1.asianetcom.net (61.14.157.94) 327.173 ms 491.386 ms 410.349 ms
17 69.28.50.9 (69.28.50.9) 409.171 ms 426.653 ms 409.757 ms
18 69.28.50.70 (69.28.50.70) 409.672 ms 409.254 ms 322.748 ms
19 * 69.28.50.62 (69.28.50.62) 410.731 ms 430.873 ms
20 199.91.73.222 (199.91.73.222) 614.884 ms 611.650 ms 614.925 ms

@Livid 我发现在实验室访问 v2ex 还是有问题
Traceroute to www.v2ex.com (65.255.43.91), 64 hops max.
1 192.168.0.1 (192.168.0.1) time=16 ms
2 192.168.0.1 (192.168.0.1) time=15 ms
3 115.156.249.254 (115.156.249.254) time=27 ms
4 115.156.255.25 (115.156.255.25) time=19 ms
5 115.156.255.21 (115.156.255.21) time=10 ms
6 115.156.255.13 (115.156.255.13) time=12 ms
7 115.156.255.1 (115.156.255.1) time=14 ms
8 *
9 gz0.cernet.net (202.112.53.77) time=10 ms
10 202.112.36.69 (202.112.36.69) time=36 ms
11 202.112.61.158 (202.112.61.158) time=1008 ms
12 202.112.61.14 (202.112.61.14) time=26 ms
13 61.8.59.45 (61.8.59.45) time=179 ms
14 ge-2-0-0-0.cr4.hkg3.asianetcom.net (203.192.134.69) time=645 ms
15 te0-0-2-0.wr2.hkg0.asianetcom.net (61.14.157.105) time=189 ms
16 *
17 te0-0-0-0.wr2.nrt0.asianetcom.net (61.14.157.1) time=228 ms
18 gi14-0-0.gw3.lax1.asianetcom.net (61.14.157.94) time=639 ms
19 69.28.50.9 (69.28.50.9) time=285 ms
20 69.28.50.70 (69.28.50.70) time=751 ms
21 69.28.50.78 (69.28.50.78) time=209 ms
22 *
23 *
24 *

@Livid 嗯，现在访问无压力了

明天就要正式开学了

@Livid 现在 c3.orca.io 换了 IP 180.210.228.67 仍可以登录，但是我这儿直接访问 www.v2ex.com 还是不行，tracert 65.255.43.91 结果不变， tracert 180.210.228.67 结果如下：
http://ww1.sinaimg.cn/large/a74ecc4cjw1e1ywr9oj5cj.jpg

@Livid 实在不好意思，昨天后来就没在了…
http://ww1.sinaimg.cn/large/a74ecc4cjw1e1xha0055nj.jpg

@Livid http://ww3.sinaimg.cn/large/a74ecc4cjw1e1wrg2041wj.jpg

@Livid 我常用的两个 218.197.250.* 及 115.156.249.* ，谢了~